Covid 19 coronavirus: Testing times for tradies as wild weather collides with alert level jump 15 Feb, 2021 01:05 AM 3 minutes to read Some plumbers are reporting blockages in communication as wild weather collides with alert level boundary confusion. Photo / 123RF Some plumbers are reporting blockages in communication as wild weather collides with alert level boundary confusion. Photo / 123RF Wild weather is colliding with changes to New Zealand's Covid alert levels to create some challenges for plumbers and other tradespeople. Confusion about the Auckland-Northland boundary and ongoing instability from the pandemic was adding pressure on tradies, an industry group said. NZ Plumbers, Drainlayers and Gasfitters Association president Glen Burr said rains battering the North Island strained some infrastructure and raised demand for plumbers.